class_docstr: A dummy discrete environment.
docstr: Return an observation space.
docstr_tok: ["Return","an","observation","space","."]
code: def observation_space(self):
      """Return an observation space."""
      return gym.spaces.Box(
          low=-1, high=1, shape=self._obs_dim, dtype=np.float32
      )
  
file_path: garage/tests/fixtures/envs/dummy/dummy_discrete_env.py
imports: import gym
  import numpy
  from tests.fixtures.envs.dummy import DummyEnv
label_desc: Use image node_id 2 for calling the DummyDiscreteEnv obj's underlying member method code with example usage: obj.observation_space() and returns: gym